US3880468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cotton harvester basket lock
Assignee: Case LLC
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Filing: 1974-07-08
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Granted: 1975-04-29
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Expires: 1994-07-08
Abstract
Abstract A cotton harvester of the type having a crop receiving basket which is hydraulically raised and tilted for dumping is provided with a sliding bar locking device for locking the basket in the dumping position, the sliding bar being provided with a notch to cause a sacrificial failure thereof upon actuation of the hydraulics to lower the basket with the locking device engaged to prevent failure of the surrounding structure.
Inventors
- 👤 Richard R Steingas
- 👤 Thomas W Lawson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:10
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/04; B60P1/30; B60P1/34; A; A01; A01D; A01D33/00; A01D33/10; A01D46/00; A01D46/08; A01D46/082
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
146 words
In a cotton harvester of the type having a frame, a cropreceiving basket, means for mounting said basket on said frame, said mounting means being operable to raise and lower said basket between a lowered position for receiving crops and a raised and tilted position for dumping said basket, said basket having a roller, said frame having an arcuate surface portion engaged by said roller and having a radial stop surface therefor to limit the travel of said basket toward the dumping position, hydraulic means for operating said mounting means, and selectively operable means for retaining said basket in said dumping position, the improvement wherein said retaining means comprises a bar slidably mounted on said harvester frame, said bar being disposed for longitudinal movement through said arcuate surface portion between a first inoperative position and a second position trapping said roller against said radial stop surface.
Claim 2
Dependent Claim
146 words
In a cotton harvester of the type having a frame, a cropreceiving basket, means for mounting said basket on said frame, said mounting means being operable to raise and lower said basket between a lowered position for receiving crops and a raised and tilted position for dumping said basket, said basket having a roller, said frame having an arcuate surface portion engaged by said roller and having a radial stop surface therefor to limit the travel of said basket toward the dumping position, hydraulic means for operating said mounting means, and selectively operable means for retaining said basket in said dumping position, the improvement wherein said retaining means comprises a bar slidably mounted on said harvester frame, said bar being disposed for longitudinal movement through said arcuate surface portion between a first inoperative position and a second position trapping said roller against said radial stop surface.
Claim 3
Dependent Claim
50 words
The invention in accordance with claim 1 in said bar having a notch so located and of such a depth that upon actuation of said hydraulic means to lower said basket with said bar in said second position, said bar will be sheared off without damage to the surrounding structure.
References Cited (Backward Citations)
US2440325A
Cited
US3228727A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-04-28 | 1978-10-28 | 1979-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-04-28 | 1982-10-28 | 1983-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-04-28 | 1986-10-28 | 1987-04-29 | $7700.00 | Window Closed / Lapsed |